DIPTERA. 223 



T. spiniger Stein, 04-428. 



Me.— Mt. Katahdin, Aug. 11-17 (Blake). N. H.— Mt. Wash- 

 ington, 2000 to 5000 ft., July 6-Aug. IG. Vt.— Chittenden 

 (North Pond, 2500 ft.), Aug. 1 {Bequaert). 

 Stein is evidently wrong in uniting this with T. septentrionalis 



Stein, 18 (20)-20. 



T. innocuus Zetterstedt. 



Me.— Capens, July 11 ; Mt. Desert, July 15. N. H.— Mt. Wash- 

 ington, 4000 ft., July 15. 



Mass. — Mt. Greylock (summit), June 15. 



This was referred to Lasiops cundans in Mrs. Slosson's list, 



according to a specimen received from her. A. nigrifrons Walker 



of the same list probably represents this species also (see Stein on 



Walker's types). 



T. curvipes Stein, 18 (20)-19. 

 Mass. — Lynn, Aug. 23 (Bezzi). 



Rhynchotrichops Schnabl. 



R. subrostrata Zetterstedt. 



N. H.— Mt. Washington, 5000 ft. July 4-Aug. 16. 



Pogonom3ria Rondani. 



P. flavinervis Malloch, 15-35 and 21-120 (Spilogaster nite7is Stein, 

 1897, not Macquart, 1846; P.flavipennis Stein, 18 (20)-21). 



Me.— Mt. Desert, June 22. N. H.— Hampton, July 25 {Shaw); 

 Durham, June 5 (Bridwell). Vt. — Burlington, June 24. 

 The type locality "ilfass." should read "Toronto," see 



Aldrich, 18-180. 



Hydrotaea R.-Desvoidy. 



H. militaris Meigen (H. implexa Loew). 



Me.— 7, 8, 9. N. H.— 11, 12, 14, 15. Vt.— 16, 18, 19, 20, 21. 



June 23-Sept. 9. 

 Mass.— 23, 25, 27, 32. R. I.— 33. Conn.— 35. May 27- 



Aug. 9. 



H. houghi Malloch, 16-111. 



Me.— 7, 8. N. H.— 13, 14. Vt.— 19. June 9-Sept. 9. 



Mass.— 25, 26, 27. R. I.— 33. May 26-Aug. 12. 



H. cristata Malloch. 



Me. — Eastport, July 14; Machias, July 19. 

 Mass. — New Bedford {Hough); Boston, Sept 12; Auburndale, 

 May 22. 



H. occulta Meigen. 



N. H.— Mt. Washington. 



H. metatarsata Stein. 



Mass. — New Bedford {Hough). 



